Repair of Concrete, Reinforced Concrete and Brick Manholes – Part 3: Adjustment and Replacement of Manhole Covers

Manholes perform a variety of functions, they are used to connect pipelines, to change direction and/or elevation, to provide access for personnel and/or equipment, and to provide aeration and ventilation to the drain and sewer system. Like sewers and pipes, defective manholes need to be repaired.

This module covers the regulation and replacement of manhole covers.

After completing this module, you will have a sound knowledge of:

• damage and consequences of defective manhole covers;
• variants of level regulation;
• rehabilitation errors;
• naming quality assurance measures and
• developing rehabilitation proposals.